What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Jose round-trip?

Currently priced at $247, American Airlines will fly you from Washington, D.C. Dulles Intl Airport to San Jose and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from $250 and $257, respectively. American Airlines is currently priced 42% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Jose one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $120. Alaska Airlines flights start at $125 while deals on Southwest start at $131 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to San Jose?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Jose flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to San Jose?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to San Jose are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to San Jose?

Saturday flights are generally found to be more expensive for flights from Washington, D.C. Dulles Intl Airport to San Jose. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Jose.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San Jose?

Flights from Washington, D.C. Dulles Intl Airport to San Jose lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to San Jose in September, with the cheapest ticket starting at $83.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Jose flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Jose flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-San Jose flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Jose from Washington, D.C. Dulles Intl?

If you book a flight to San Jose from Washington, D.C. Dulles Intl, you will be flying to San Jose, which is the city’s only airport. San Jose (SJC) is located 2.9 mi from the center of San Jose. There are 0 flights from Washington, D.C. Dulles Intl to San Jose per day from 6 different airlines.

Can I find deals for flights from Dulles Intl to San Jose that include hotel bookings?

Yes. In addition to deals on Dulles Intl to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to San Jose?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Jose.

Can I find deals for business class flights from Dulles Intl to San Jose?

Yes. Cheapflights offers flight deals from Dulles Intl to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$120+ Flights from Washington, D.C. Dulles Intl Airport to San Jose

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

Find a great deal and save up to 147% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to San Jose within the next two weeks, with the cheapest ticket starting at $272.

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Find cheap flights from Dulles Intl to San Jose with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Jose are usually found in September or January, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Dulles Intl to San Jose

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$247 (American Airlines)
One-way from	$120 (CheapOair)
Popular in	December
Cheapest in	September
Average price	$471

Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Jose flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Jose flights.

Search Deals

From Washington, D.C. Dulles Intl to San Jose

Search Deals

One-way flight from Washington, D.C. Dulles Intl to San Jose

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Dulles Intl to San Jose

Cheapest flights from Dulles Intl to San Jose
Explore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Mon 6/306:27 amIAD - SJC

1 stop8h 53mAmerican Airlines

Sat 7/56:00 amSJC - IAD

1 stop8h 38mAmerican Airlines

Deal found 4/21

$247

Tue 5/136:30 amIAD - SJC

1 stop11h 16mAlaska Airlines

Wed 5/146:15 amSJC - IAD

1 stop7h 23mAlaska Airlines

Deal found 4/20

$250

Wed 5/286:30 amIAD - SJC

1 stop9h 06mMultiple Airlines

Sun 6/12:30 pmSJC - IAD

1 stop12h 28mMultiple Airlines

Deal found 4/21

$255

Sat 5/244:00 pmIAD - SJC

1 stop9h 25mSouthwest

Fri 5/306:45 amSJC - IAD

1 stop7h 05mSouthwest

Deal found 4/21

$257

Sun 5/253:35 pmIAD - SJC

1 stop10h 04mUnited Airlines

Mon 6/26:26 pmSJC - IAD

1 stop7h 49mUnited Airlines

Deal found 4/21

$267

Thu 5/227:25 amIAD - SJC

1 stop9h 18mFrontier

Mon 5/262:33 pmSJC - IAD

1 stop12h 22mFrontier

Deal found 4/21

$268

Mon 7/145:30 pmIAD - SJC

1 stop8h 14mDelta

Wed 7/2311:00 pmSJC - IAD

1 stop6h 42mDelta

Deal found 4/21

$277

Thu 5/85:00 pmIAD - SJC

1 stop8h 30mHawaiian Airlines

Sun 5/116:15 amSJC - IAD

1 stop8h 44mHawaiian Airlines

Deal found 4/22

$390

Best flights from Dulles Intl to San Jose
Discover carefully curated flight deals from Dulles Intl to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Mon 6/306:27 amIAD - SJC

1 stop8h 53mAmerican Airlines

Sat 7/56:00 amSJC - IAD

1 stop8h 38mAmerican Airlines

Deal found 4/21

$247

Tue 5/136:30 amIAD - SJC

1 stop11h 16mAlaska Airlines

Wed 5/146:15 amSJC - IAD

1 stop7h 23mAlaska Airlines

Deal found 4/20

$250

Wed 5/286:30 amIAD - SJC

1 stop9h 06mMultiple Airlines

Sun 6/12:30 pmSJC - IAD

1 stop12h 28mMultiple Airlines

Deal found 4/21

$255

Sat 5/244:00 pmIAD - SJC

1 stop9h 25mSouthwest

Fri 5/306:45 amSJC - IAD

1 stop7h 05mSouthwest

Deal found 4/21

$257

Sun 5/2510:10 amIAD - SJC

1 stop10h 12mUnited Airlines

Sun 8/176:24 pmSJC - IAD

1 stop8h 00mUnited Airlines

Deal found 4/22

$267

Thu 5/227:25 amIAD - SJC

1 stop9h 18mFrontier

Mon 5/262:33 pmSJC - IAD

1 stop12h 22mFrontier

Deal found 4/21

$268

Mon 7/145:30 pmIAD - SJC

1 stop8h 14mDelta

Wed 7/2311:00 pmSJC - IAD

1 stop6h 42mDelta

Deal found 4/21

$277

Thu 5/85:00 pmIAD - SJC

1 stop8h 30mHawaiian Airlines

Sun 5/116:15 amSJC - IAD

1 stop8h 44mHawaiian Airlines

Deal found 4/22

$390

Last-minute flights from Dulles Intl to San Jose
Discover last-minute flight deals from Dulles Intl to San Jose. Data last updated April 22, 2025 and is based on user searches.

Mon 4/281:56 pmIAD - SJC

1 stop11h 00mDelta

Fri 8/151:15 pmSJC - IAD

1 stop7h 14mDelta

Deal found 4/21

$384

Tue 4/295:00 pmIAD - SJC

1 stop8h 30mMultiple Airlines

Thu 5/17:41 pmSJC - IAD

1 stop7h 50mMultiple Airlines

Deal found 4/22

$324

Tue 4/295:00 pmIAD - SJC

1 stop8h 30mAlaska Airlines

Wed 4/3012:55 pmSJC - IAD

1 stop8h 03mAlaska Airlines

Deal found 4/22

$400

Tue 4/297:50 amIAD - SJC

1 stop9h 50mSouthwest

Wed 4/309:05 amSJC - IAD

2 stops10h 30mSouthwest

Deal found 4/21

$406

Tue 4/296:18 amIAD - SJC

1 stop8h 06mAmerican Airlines

Fri 5/212:15 pmSJC - IAD

1 stop7h 27mAmerican Airlines

Deal found 4/21

$1,468

Wed 4/306:30 amIAD - SJC

1 stop11h 16mHawaiian Airlines

Sun 5/46:15 amSJC - IAD

1 stop8h 44mHawaiian Airlines

Deal found 4/22

$445

Thu 5/18:30 amIAD - SJC

2 stops12h 16mUnited Airlines

Sun 5/46:20 amSJC - IAD

1 stop7h 10mUnited Airlines

Deal found 4/21

$496

Thu 5/85:00 pmIAD - SJC

1 stop8h 30mHawaiian Airlines

Sun 5/116:15 amSJC - IAD

1 stop8h 44mHawaiian Airlines

Deal found 4/22

$390

Tue 5/136:30 amIAD - SJC

1 stop11h 16mAlaska Airlines

Wed 5/146:15 amSJC - IAD

1 stop7h 23mAlaska Airlines

Deal found 4/20

$250

Wed 5/216:17 amIAD - SJC

1 stop10h 08mAmerican Airlines

Sat 8/3012:18 pmSJC - IAD

1 stop7h 23mAmerican Airlines

Deal found 4/21

$295

Thu 5/227:25 amIAD - SJC

1 stop9h 18mFrontier

Mon 5/262:33 pmSJC - IAD

1 stop12h 22mFrontier

Deal found 4/21

$268

Sat 5/244:00 pmIAD - SJC

1 stop9h 25mSouthwest

Fri 5/306:45 amSJC - IAD

1 stop7h 05mSouthwest

Deal found 4/21

$257

One-way flights from Dulles Intl to San Jose
Search for one-way flight options from Dulles Intl to San Jose. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Thu 5/227:25 amIAD - SJC

1 stop9h 18mFrontier

Deal found 4/22

$120

Tue 6/36:30 amIAD - SJC

1 stop11h 21mAlaska Airlines

Deal found 4/21

$125

Sat 6/76:30 amIAD - SJC

1 stop11h 15mSouthwest

Deal found 4/21

$131

Sun 8/176:15 amIAD - SJC

1 stop8h 47mDelta

Deal found 4/22

$139

Mon 8/1811:30 amIAD - SJC

2 stops9h 54mAmerican Airlines

Deal found 4/22

$144

Sat 8/96:10 amIAD - SJC

1 stop8h 52mUnited Airlines

Deal found 4/22

$157

Mon 6/912:40 pmIAD - SJC

3 stops29h 53mMultiple Airlines

Deal found 4/22

$186

Wed 4/305:38 pmIAD - SJC

1 stop7h 58mHawaiian Airlines

Deal found 4/22

$200

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Mon 6/30

6:27 am-12:20 pm

1 stop8h 53m

San Jose

Sat 7/5

6:00 am-5:38 pm

1 stop8h 38m

$247

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 5/13

6:30 am-2:46 pm

1 stop11h 16m

San Jose

Wed 5/14

6:15 am-4:38 pm

1 stop7h 23m

$250

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 5/28

6:30 am-12:36 pm

1 stop9h 06m

San Jose

Sun 6/1

2:30 pm-5:58 am

1 stop12h 28m

$255

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 5/24

4:00 pm-10:25 pm

1 stop9h 25m

San Jose

Fri 5/30

6:45 am-4:50 pm

1 stop7h 05m

$257

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sun 5/25

3:35 pm-10:39 pm

1 stop10h 04m

San Jose

Mon 6/2

6:26 pm-5:15 am

1 stop7h 49m

$267

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 5/22

7:25 am-1:43 pm

1 stop9h 18m

San Jose

Mon 5/26

2:33 pm-5:55 am

1 stop12h 22m

$268

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Mon 7/14

5:30 pm-10:44 pm

1 stop8h 14m

San Jose

Wed 7/23

11:00 pm-8:42 am

1 stop6h 42m

$277

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 5/8

5:00 pm-10:30 pm

1 stop8h 30m

San Jose

Sun 5/11

6:15 am-5:59 pm

1 stop8h 44m

$390

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 5/22

7:25 am-1:43 pm

1 stop9h 18m

$120

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 6/3

6:30 am-2:51 pm

1 stop11h 21m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 16 results

Compare providers for flights from Dulles Intl to San Jose

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to San Jose in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Jose flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Jose flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-San Jose flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Jose

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to San Jose, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Jose (average of $255). Flying from Washington, D.C. Dulles Intl Airport to San Jose in June is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to SJC?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to San Jose in the evening. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the afternoon.

Rainfall in San Jose by month

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington, D.C. to San Jose by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,906 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,392 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to San Jose from Washington, D.C. Dulles Intl?
If you book a flight to San Jose from Washington, D.C. Dulles Intl, you will be flying to San Jose, which is the city’s only airport. San Jose (SJC) is located 2.9 mi from the center of San Jose. There are 0 flights from Washington, D.C. Dulles Intl to San Jose per day from 6 different airlines.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Jose round-trip?
Currently priced at $247, American Airlines will fly you from Washington, D.C. Dulles Intl Airport to San Jose and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Southwest - these airlines can fly you to your destination from $250 and $257, respectively. American Airlines is currently priced 42% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Jose one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $120. Alaska Airlines flights start at $125 while deals on Southwest start at $131 one-way.
Can I find deals for flights from Dulles Intl to San Jose that include hotel bookings?
Yes. In addition to deals on Dulles Intl to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to San Jose?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Jose.
Can I find deals for business class flights from Dulles Intl to San Jose?
Yes. Cheapflights offers flight deals from Dulles Intl to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Jose?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Jose (average of $255). Flying from Washington, D.C. Dulles Intl Airport to San Jose in June is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Other flights to San Jose

Top 6 airlines flying from Dulles Intl to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$63	Average$197	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$198	Average$256	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$208	Average$495	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$237	Average$421	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$256	Average$355	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$288	Average$505	FlexibilityNo cancel fee	On-time69%

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$120+ Cheap flights from Dulles Intl (IAD) to San Jose (SJC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to San Jose with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Jose are usually found in September or January, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Dulles Intl to San Jose

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to San Jose

Cheapest flights from Dulles Intl to San JoseExplore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Jose that are best for you.

Compare providers for flights from Dulles Intl to San Jose

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to San Jose in April.

Best time to book a flight from Dulles Intl to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Jose

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Jose. Price data was last updated on April 18, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

What is the cheapest time of day to fly from IAD to SJC?

Find hourly flight availability from Dulles Intl to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

Reviews of airlines servicing San Jose

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington, D.C. to San Jose by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Jose from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Jose round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Jose one-way?

Can I find deals for flights from Dulles Intl to San Jose that include hotel bookings?

How can I find direct flights from Dulles Intl to San Jose?

Can I find deals for business class flights from Dulles Intl to San Jose?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Jose?

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Alternative routes for Dulles Intl to San Jose

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Top 6 airlines flying from Dulles Intl to San Jose

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Cheapest flights from Dulles Intl to San Jose
Explore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.